http://hdl.handle.net/20.500.14044/35638 Thu, 13 Aug 2026 00:20:09 GMT 2026-08-13T00:20:09Z https://https://oda.uni-obuda.hu:443/bitstream/id/e7baae0a-006a-468f-b240-ad94a20e64d6/ http://hdl.handle.net/20.500.14044/35638